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5-2. Steps to take in an emergency
If the tire pressure warning system is inoperative
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The tire pressure warning system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
If tires not equipped with tire pressure warning valves and transmitters are used
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If the ID code on the tire pressure warning valves and transmitters is not regis-
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tered in the tire pressure warning computer
If a different set of tires has been selected using the satellite switch.
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If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm
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The tire pressure warning system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
If electronic devices or facilities using similar radio wave frequencies are nearby
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If a radio set at similar frequencies is in use in the vehicle
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If there is a lot of snow or ice on the vehicle, in particular around the wheels or
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wheel housings
If non-genuine Lexus wheels are used (Even if you use Lexus wheels, the tire
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pressure warning system may not work properly with some types of tires.)
If tire chains are used
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If the tire pressure warning light comes on after blinking for 1 minute frequently
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If the tire pressure warning light comes on after blinking for 1 minute frequently
when the "ENGINE START STOP" switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.
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2
or bar) or higher
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